单项选择题
Which of the following statements about water absorption by roots is CORRECT?
A.In the transmembrane pathway, water crosses the plasma membrane of each cell in its path twice (once on entering and once on exiting).
B.In the symplastic pathway, water moves through cell walls and extracellular spaces without crossing any membranes as it travels across the root cortex.
C.In the apoplastic pathway, water travels across the root cortex via the plasmodesmata.
D.None.